wallen. >> well, you're not alone.s certainly a proportion of folks who feel the same way you do and they will shop with their perspectives. but, broadly speaking, lists like these do not have a dramatic impact on store sales. they do have an impact. they have an impact with a particular group of folks. there is no question about that. but in terms of deep contact to sales, it hasn't been shown that they have a particularly meaningful. >> if that's true, why then when we did our campaign 10 years ago, and we signale singlt stores. brutal weeks and weeks of a it that every single one of them caved and started to say merry christmas and the ones that told their employees not to they rescinded that why did it do it then if this doesn't have any effect? >> well, two things it may have had an effect, but not quite in the immediate visceral way that wield normally think of it. it may have had an effect to inspire those particular brands to do some inner research to actually deploy statistically valid research to start asking